Systems and methods for direct air carbon dioxide capture

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United States of America Patent

PATENT NO 12030016
APP PUB NO 20230191322A1
SERIAL NO

18082903

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for capturing and sequestering carbon dioxide (CO2) includes receiving and performing an electrochemical process on the input liquid including water and a salt to produce at least one hydroxide-rich stream, and then capturing CO2 from air using the hydroxide-rich stream and a passive air capture system, thereby producing a liquid carbonate solution containing air-captured CO2. Optional steps include disposing of the liquid carbonate solution, precipitating air-captured CO2 from the liquid carbonate solution as solid carbonate and/or a slurry of carbonate, and mixing the liquid carbonate solution with a hydrogen-rich stream produced by the electrochemical process to generate gaseous CO2. Various integrations and synergies among CO2 capture, renewable energy, water desalination, and metal and mineral extraction are provided.

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Patent Owner(s)

  • CAPTURE6 CORP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cohen-Cole, Ethan Berkeley, US 3 3
Landau, Zeph Berkeley, US 3 3
Shors, Luke Rotorua, NZ 7 123
Surana, Rahul Fremont, US 27 122

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